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3 years ago

Factor each completely. "If non-factorable, write " Non-factorable" n^3-4n^2+6n-24

1 answer:

3 0

$n^{3}$ -4 $n^{2}$ +6n-24
factor out $n^{2}$ from the first two values and 6 from the last two values:
$n^{2}$ (n-4)+6(n-4)
( $n^{2}$ +6)(n-4) is your final answer

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Explain how 3/4 ×7, 7×3/4 and 3×7/4 are all related

Ahat [919]

Answer:

3/4×7

= 0.75×7

=5.25

7×3/4

=7×0.75

=5.25

3×7/4

=3×1.75

=5.25

all answer is same so, however we do all answer come 5.25

this way they all are related

4 0

2 years ago

This figure consist of a rectangle a semi circle and a quarter circle what is the perimeter of this figure use 3.14 for pi

alexandr402 [8]

Answer:

37.55 m

Step-by-step explanation:

To find the perimeter, we have to add the lengths of each part of the figure.

We start from the circle on top. We see that its diameter is 10 m, therefore its radius is

r = 5 m

(because the radius is half the diameter). The perimeter of a circle is given by

$p=2 \pi r$

However, here we have half a circle, so its perimeter is

$p_1 = \pi r=(3.14)(5)=15.7 m$

Then continuing in a clockwise direction, we have to add the length of the side of 2 m:

$p_2 = 2 m$

Then we have two sides of a square of side 5 m, so:

$p_3 = 5 m + 5 m= 10 m$

Then we have a quarter of a circle of radius r = 5 m, so its perimeter is:

$p_4 = \frac{\pi r}{2}=\frac{\pi (5)}{2}=7.85 m$

Finally, we have one more side of length 2 m:

$p_5 = 2m$

Therefore, the total perimeter is:

$p=p_1+p_2+p_3+p_4+p_5=15.7+2+10+7.85+2=37.55 m$

4 0

4 years ago

Find the size of angle yzx give your answer to 3 significant figures 7.5cm and 22.3cm

pishuonlain [190]

Answer:19.7

Step-by-step explanation:

Sin‐(7.5/22.3) on your calculator

The answer to 3 significant figures is 19.7

6 0

3 years ago

Please help!!! The answer is 9

faust18 [17]

The answers are in the introverts with 80 and 2% ferinheit or celcius

5 0

4 years ago

<img src="https://tex.z-dn.net/?f=%20%7B16%7D%5E%7B%20-%202x%7D%20%20%3D%2032" id="TexFormula1" title=" {16}^{ - 2x} = 32" alt=

Olegator [25]

Answer: x=−0.208333

Step-by-step explanation:

hope that helps enjoy

3 0

3 years ago